SCSI booting, what's wrong??

SCSI booting, what's wrong??

Post by roo » Fri, 26 Jan 1996 04:00:00



I am trying to directly boot Linux from a SCSI drive.  I can do it
with my other system (different SCSI controller).  Any clues?

scsi0 <fdomain>: BIOS version 3.4 at 0xca000 using scsi id 7
scsi0 <fdomain>: TMC-18C30 chip at 0x150 irq 15
scsi0 : Future Domain TMC-16x0 SCSI driver, version 5.28
scsi : 1 host.
  Vendor: QUANTUM   Model: LIGHTNING 540S    Rev: 2421
  Type:   Direct-Access                      ANSI SCSI revision: 02
Detected scsi disk sda at scsi0, id 0, lun 0
  Vendor: FUJITSU   Model: M1606S-512        Rev: 6234
  Type:   Direct-Access                      ANSI SCSI revision: 02
Detected scsi disk sdb at scsi0, id 6, lun 0
scsi : detected 2 SCSI disks total.
SCSI Hardware sector size is 512 bytes on device sda
SCSI Hardware sector size is 512 bytes on device sdb
Memory: 15164k/16384k available (548k kernel code, 384k reserved, 288k data)

Partition check:
  sda: sda1 sda2
  sdb: sdb1 sdb2
  hda: hda1

Linux is on /dev/sdb2, but trying

compact
boot=/dev/hda
map=/boot/map
install=/boot/boot.b
prompt
ramdisk = 0             # paranoia setting
timeout = 1000
verbose = 2
vga     = normal
append  = "cdu31a=0x340,9"
#
image=/vmlinuz
        label=linux
        root=/dev/sdb2
        append="cdu31a=0x340,9"
        read-only

doesn't work.  Thanks for suggestions!
--

 
 
 

1. SCSI tape gives 'wrong block size'

I've got a Maynard (Conner) 1350Q, SCSI tape drive.
It is supposed to support 1/4" tapes of
120M, 150M, 250M, 525M and 1.2G. Cool! The only
problem is that while *it works fine* on 120M and 150M tapes,
I can't read tapes written by Linux on the Wangtek 525M tape drive -
Maynard says - "I/O error - wrong block size". And that is
true - because I was able to read the tape on the AIX, RISC6000
only after I did change a setting for the tape drive 'block size' to
1024 bytes (default is 512). Well - for AIX at least I know how to
change this setting - but is there a way to change that under Linux?
Better without recompiling the kernel - but... Or this is something
that needs to be enhanced in Linux (more control on SCSI tape I mean)?
Tnx,
Vassili.

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